<!DOCTYPE html>

<script type="module">
  import * as Comlink from "https://unpkg.com/comlink@alpha/dist/esm/comlink.mjs";
  // import * as Comlink from "../../../../dist/esm/comlink.mjs";
  function add(a, b) {
    return a + b;
  }
  Comlink.expose(add, Comlink.windowEndpoint(self.parent));
</script>
